Metallic reinforcement of concrete.



PATENTED MAYv I2 THOMAS.

METALLIC REINE'ORCEMENT OP CONCRETE.

APPLICATION FILED JAN. 28

I l' y I /ll/ INVENTOR WITNESSES Aliomeys.

r'lengths or' Wire to one another mies! bands or belts of metelconstituting their body portion. would show end. cause en irreg uleritytherein, and, illustrated. in Fig. 8, this use Ain columns is equallylensible where the longitudinal bers ere, lil-ie the reinforcingmembers, kept Wholly benentli the surface.

ln Fig. 5, is shown n slight'modification of the type of longitudinnlbei', in that channel bers l of the ordinary commercial type areemployed as equivalents of e completely splitted tribe, their conca-vedportions being fnced one to another, and drawn together es tightly esmay be desired about the por tion of s reinforcing niece by bolts '7.

The special type or reinforcing piece shown in Fig. 3, und etthe extremelei't oi Fig. l., is intended to carry its strain resistiiw arms toeither side of, and as nearly as possible perellel with, thelongitudinal tie ber, Whereas the type shown in Fig. fl, and illustratedin the center and right Ihand portions of Fig. l, and edepted speciallyto reach out as `Widely es possible from the tie bei' to receive andtransmit to it the strain from as largel e section ol the concrete as isl ossible.

it is obvious t et reinforcing pieces of wire oi the type illustrated inFig. 9, could be Asubstitiited for those of sheet iron hereillustrete/d, the positions assumed by the various being relittively thesheet metal pieces here shown beer to one another.

The use oi e bor whose slitted edges l nre notched or serrated es Shownet lb in l'ig. l is sometimes deeirnble es e.. substitute for 'thedistortion of a. tube by herinner strokes for the rm 'locking of thereinforcing pieces 2 in osition.

l. Means for reinforcing concrete, coinprising a longitudinalirextending tubular member slitted throughout its length, and individuelreinforcing Jieceesnp worted there-- by, each beving n tu nier bo yportion of complementary eine and outline to the inside of seid tubulermember, engaging closely' tlierewithin, end erin portions' extendingseme ves the various edges oi the` ritegno through. the slit in seidlongitndinel tubulin' member end radiating therefrom et nngles designedto locate them across the lines oi strain passing thron h that portion*of the structure, substantie. 1y es described.

2. ln e concrete beam, in`eoinbinetion with e Split tubuhtr tie ber, eplurality oi 5 nuxilinry members en aging with their conipleinentarycylindrice.- body porti/ons Within and closely against the inner 'foceof seid tie bar and with their 'erm portions projecting through the slitand extending et singles to one another and to the tie rod.

3. Metallic reinforcement for concrete, having, in combination with areceiving member adapted to extend lengthwise of e concrete benin, sinauxiliary bond member adapted to extend into said receiving inem ber andengage with its tubular body portion 'closely against the complementaryinner fece of seid member, the arm portions of seid bond i memberextending Without seid receiving member and radiating therefrom etdesired degrees oi engularity, substantially as described. l

Il. Means for reinforcing concrete, corn-A prising n lnngitudinztllyslitted tie ber, and reinforcing pieces having tubular body vportionsadnpted to lit closely against-the eomplernentarily shaped. int :lor oithe tie ber engaging closely th'erewithin against e pitt relity ofpoints of Contact longitudinally spaced from one enotlier with theirarms pro* jee-ting through said slitted portion and et angles to the tiebnr, the edges of the tie ber adjacent to the slitted L ortion beingadapted to be distorted on eaclli side of e reinforcing piece after itsinsertion therein to prevent its subsequent unintended removal from itspleegt ilong the tie ber, substantially eSdQ/ ser: e

in testimony whereoil sign this speeiii`\`90 cation in the presence oitwo witnesses.

AVLA THOMAS.

illlitnesses: a

Loran tinnen, Nimmt/t 1li. @were Cil

